A. Jeff
This is because his highest in the THR is 175 which means he is working at almost the highest intensity he can.
Answer:
You must buy at least 3 shirts
Explanation:
10% of 17.99 is 1.799.
1.799 * 2 = 20% of 17.99
20% of 17.99 is 3.598 or 3.60
17.99 - 3.60 = price of shirt with 20% discount
14.39 = price of shirt with 20% discount
14.39x = 40
x = 2.78
You must buy at least 3 shirts
1. animal trade 2. people moving into new areas where animals inhabit
It has to do with how the animal and plant inter tact